2457results about "Tobacco smoke filters" patented technology

A smoking article may include a cigarette incorporated within an electrically powered aerosol generating device that acts as a holder for that cigarette. The smoking article possesses at least one form of tobacco. The smoking article also possesses a mouth-end piece that is used by the smoker to inhale components of tobacco that are generated by the action of heat upon components of the cigarette. A representative smoking article possesses an outer housing incorporating a source of electrical power (e.g., a battery), a sensing mechanism for powering the device at least during periods of draw, and a heating device (e.g., at least one electrical resistance heating element) for forming a thermally generated aerosol that incorporates components of tobacco. During use, the cigarette is positioned within the device, and after use, the used cigarette is removed from the device and replaced with another cigarette.

A smoking article, such as a cigarette, comprises a lighting end and a mouth end. The smoking article possesses an aerosol-generation system that includes (i) a heat generation segment, and (ii) an aerosol-generating region or segment. A mouth end piece segment can be located at the mouth end of the smoking article. A segment of tobacco cut filler, gathered tobacco paper, or other type of flavor source material, can be positioned between the mouth end piece segment and the aerosol-generation segment. Optionally, segment composed of tobacco cut filler can be positioned so as to provide a lighting end segment. The smoking article possesses an overwrap (e.g., a single paper overwrap) that extends over the longitudinally extending surface of the mouth end piece segment, the aerosol generation segment, at least a portion of the length of the heat generation segment, any segment located between the mouth end piece and aerosol generation segments, and at least a portion of the length of the optional lighting end segment. Alternatively, the smoking article possesses an overwrap (e.g., a single paper overwrap) that extends over the longitudinally extending surface of the aerosol-generating segment, at least a portion of the length of the heat generation segment, at least a portion of any segment located downstream from the aerosol-generating segment, and at least a portion of the length of the optional lighting end segment, thereby forming a cigarette rod; and the cigarette rod is connected or attached to a filter element using a tipping type of material and arrangement.

A cigarette is provided that includes a rod of smokable material circumscribed by an outer wrapping material and a filter element, which may include an adsorbent material such as activated carbon, attached to one end of the rod of smokable material. The smokable material includes at least about 5 percent by weight of a dark air-cured tobacco, based on the dry weight of the smokable material, blended with additional tobacco materials such as flue-cured tobacco, burley tobacco, Oriental tobacco, Maryland tobacco, and mixtures thereof.

An aerosol delivery system is provided, comprising a control body portion including a first elongate tubular member having a power source disposed therein. A cartridge body portion includes a second tubular member having opposed first and second ends. One of the first and second ends is removably engaged with one end of the control body portion. The cartridge body portion further comprises a first aerosol generation arrangement disposed within the second tubular member and configured to operably engage the power source upon engagement between the control body portion and the cartridge body portion. The other of the first and second ends of the cartridge body portion is configured as a mouth-engaging end. The cartridge body portion further includes a second aerosol generation arrangement disposed within the second tubular member between the first aerosol generation arrangement and the mouth-engaging end. An associated method is also provided.

A smoking article, such as a cigarette, includes a carbonaceous heat source. A mouth end piece segment is located at the mouth end of the smoking article, and the mouth end piece segment allows the smoking article to be placed in the mouth of the smoker to be drawn upon. The smoking article further incorporates an aerosol-generating segment located between the heat generation segment and the mouth end piece segment. The aerosol-generating segment incorporates an aerosol-forming material (e.g., glycerin and flavors). The heat generation segment is in a heat exchange relationship with the aerosol-generating region such that heat generated by the burning fuel element acts to volatilize aerosol-forming material for aerosol formation. The carbonaceous heat source is in intimate contact with coarse, fine or ultrafine particles of materials such as cerium oxide, or mixtures of cerium oxide and palladium chloride.

A portable pen sized electric herb vaporizer with ceramic heating chamber is an elongated and cylindrical device used to vaporize the active ingredient of or burn herbs, having a battery, a heating compartment, a chamber connector, and a mouthpiece. Two threaded screw interfaces attach the battery to the heating compartment and the heating compartment to the chamber connector. The mouthpiece holds a ceramic filter and is inserted into the chamber connector. The heating compartment has a ceramic heating chamber within which herbs are placed, and a heating coil connected to the battery within the ceramic heating chamber heats the herbs. The user presses an activator button and inhales through the mouthpiece, drawing heated air over the herbs, through the chamber connector and into the user's lungs. The chamber connector has a disk filter to catch ash and a spring that presses on the herbs for efficient vaporization.

Apparatus incorporating a filter tow processing unit adapted to supply filter tow to a continuous rod forming unit includes an object insertion unit that positions objects within the filter tow to manufacture a filter rod containing objects positioned at predetermined intervals. The apparatus also includes an upper hopper that acts as a reservoir for a plurality of objects, and provides for supply of objects to a lower hopper. The lower hopper is shaped so that objects are stacked therein. The bottom of the lower hopper is shaped so as to cooperate with a portion of upper region of a rotating wheel. The peripheral face of the rotating wheel incorporates a plurality of spaced pockets, each pocket being of sufficient shape and size to accommodate one object. Objects within the lower hopper are aligned in a single line along a portion of the peripheral face in the upper region of the rotating wheel. Each object then is positioned at predetermined intervals within a continuous supply of filter material. Then, the filter material is formed into a continuous rod having individual objects positioned at predetermined spaced intervals within that rod. The continuous rod then is subdivided at predetermined intervals so as to form a plurality of filter rods (e.g., four-up filter rods containing four spaced objects).

The invention provides a method for making a fuel element for a smoking article comprising forming a combustible carbonaceous material into a fuel element adapted for use in a smoking article; incorporating a metal-containing catalyst precursor into the fuel element or onto the surface thereof to form a treated fuel element, the incorporating step occurring before, during, or after said forming step; and optionally heating or irradiating the treated fuel element at a temperature and for a time sufficient to convert the catalyst precursor to a catalytic metal compound. Examples of metal-containing catalyst precursors include iron nitrate, copper nitrate, cerium nitrate, cerium ammonium nitrate, manganese nitrate, magnesium nitrate, and zinc nitrate. Fuel elements treated according to the invention, and smoking articles including such fuel elements, are also provided.

Cigarette filter rods having individual objects positioned at predetermined intervals therein are prepared by transferring the individual objects from a rotating horizontal pan to a rotating vertical wheel and then depositing the object into a web of filter tow. Each object is positioned within the moving web of tow. The web filter material and the objects positioned within the web are introduced into a rod-forming unit wherein the rod is formed. The rate of feed of the filter tow, the rate of rotation of the horizontal pan and the vertical wheel are controlled relative to one another such that objects are positioned at predetermined intervals along the rod. Cigarette filter elements having well controlled amounts of flavorant contained therein can be made from the rods.

An electronic cigarette adaptable to vaporize liquid or flower material further with exhale filter capability is disclosed herein. In a preferred embodiment, threads are provided to disassemble a flower and/or liquid cartridge so that they can be exchanged for either/or. The flower cartridge has a separate heat transfer element not desired in the liquid cartridge. An innovative diverter valve assembly also has threads to connect to the cartridges and provides an exhale filter function so that exhaled vapor will not be offensive to non-smokers in an enclosed environment. The electronic smoking device herein further has a mini/micro USB charging port on a side thereof for its rechargeable batteries. Also in a preferred embodiment, a mouthpiece is made of relatively soft elastomer material and is flavored for comfort and enjoyment of a user.

A cigarette filter is provided that includes at least one filter segment having at least one biodegradable fiber imbedded therein, the biodegradable fiber optionally carrying an additive capable of altering the flavor or aroma of mainstream smoke, such as an adsorbent material, a flavorant, or a deodorizing agent. Smoking articles incorporating such a cigarette filter are also provided.

A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or more adsorbents or the compartment may be divided into two regions, wherein one compartment region is filled with an adsorbent and the other compartment region is either filled with an ion-exchange resin or remains empty. The section of filter material adjacent to the tobacco rod may include one or more channels therethrough for passaging smoke directly from the tobacco rod into the adsorbent-filled compartment. The mouth end section of filter material may contain a breakable capsule, wherein the breakable capsule is filled with a flavoring agent capable of altering the taste characteristics of mainstream smoke.

The disclosure relates to a melt-blown non-woven fabric based on cellulose esters, with fibers of mean diameter less than about 10 microns. The fabric contains 0-10 wt. % extractable softener, has a reflection factor determined according to DIN 53 145 Part I (1992) of more than 60% and the cellulose ester has a degree of substitution DS of about 1.5-3.0. The softener is preferably water-extractable. A melt-blown non-woven fabric is produced with the cellulose ester as follows: a cellulose ester, cellulose acetate, with a DS of about 1.5-3.0, in particular 1.7-2.7, is mixed with softener in a weight ratio of about 2:1 to 1:4 and simultaneously heated and melted. The mixture of softener and cellulose ester has a melting index MFI (210/2.16) according to DIN 53 735 of about 400 to 5 g/10 min., in particular 300 to 50 g/10 min. The melt is worked in a melt-blown spinning device into a melt-blown non-woven fabric and the softener is then extracted with a softener solvent to leave a proportion of 0-10 wt. %. The melt-blown non-woven fabric is especially suitable as a filter material.

A class of molecularly imprinted polymers that specifically recognizes and binds to nitrosamines members of which class are useful, for example, in analysis and separation of nitrosamines from biological fluids. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials.

A filter element incorporating an adsorbent material is provided. The filter element may comprise a first section of filter material and a second section of filter material spaced apart to form a compartment therebetween. The compartment may be filled with one or more adsorbents or the compartment may be divided into two regions, wherein one compartment region is filled with an adsorbent and the other compartment region is either filled with an ion-exchange resin or remains empty. The section of filter material adjacent to the tobacco rod may include one or more channels therethrough for passaging smoke directly from the tobacco rod into the adsorbent-filled compartment. The mouth end section of filter material may contain a breakable capsule, wherein the breakable capsule is filled with a flavoring agent capable of altering the taste characteristics of mainstream smoke.

A filtered cigarette possesses at least one breakable capsule in its filter element. The filter element can possess a central cavity extending from the cigarette tobacco rod towards the middle of the filter element. The central cavity may be defined by an inner filter portion. The inner filter portion can be surrounded by an outer filter portion comprised of filter tow material that is generally permeable to the smoke generated by the cigarette. At least one breakable capsule is disposed in the central cavity of the filter element. The breakable capsules are spherical in shape, and are composed of a gelatin outer shell that encloses a payload of triglycerides and flavoring agents. The breakable capsules are adapted to rupture in response to pressure applied by the smoker to the outside region of the filter element.

A filter element for reducing or eliminating the harmful vapor phase components of air or smoke. The filter element includes a first section and a second section. The first section is positioned relative to and in fluid communication with the second section and contains an activated carbon fabric. The second section contains a mixture of catalytic activated carbon and coconut activated carbon.

An electrically heated cigarette smoking system includes a cigarette that is formed with a tobacco rod portion, a filter tube portion, a tobacco mat layer wrapped around the tobacco rod portion and the filter tube portion with opposite ends of the tobacco mat layer abutting along a seam parallel to the central axis of the cigarette and cigarette paper wrapped around the tobacco mat layer and bonded to itself along an overlapped seam that is offset from the seam of the tobacco mat layer. The method of manufacturing the cigarette includes wrapping the tobacco mat layer and the cigarette paper around the tobacco rod portion and the filter tube portion on a single, high-speed machine.

A method of modifying the content of certain chemical compounds in tobacco materials is provided, the method including treatment of a tobacco plant component with at least one probiotic. For example, the method may modify the asparagine content in tobacco materials, which can result in a modification in acrylamide production when the tobacco material is exposed to elevated temperatures. The type of tobacco plant component treated according to the invention can be a tobacco seed, a tobacco seedling, an immature live plant, a mature live plant, a harvested plant, or a portion thereof. Examples of probiotics include probiotic species of the genera bifidobacterium, lactobacillus, enterococcus, proionobacterium, bacillus, saccharomyces, streptococcus, and mixtures thereof. Smoking articles and other tobacco products including such probiotic-treated tobacco materials are also provided.

The present invention relates to a mouthpiece device of an electronic cigarette, Which includes an atomizing device for vaporizing tobacco liquid into aerosol and a liquid reservoir for storing tobacco liquid in an inhaling shell. The atomizing device includes an atomizing cup with an atomizing chamber, and an atomizer held in the atomizing chamber. The atomizing cup is molded by an integrated process. The mouthpiece device further includes a cap at another end of the liquid reservoir, and an aerosol passage therein. The cap defines a stepwise slot for filtering tobacco particles in aerosol. The stepwise slot is communicated with the aerosol passage. The present invention mainly solves such problems of the existing mouthpiece device as complicate manufacturing, high cost, bad heat insulation, and failing to filter tobacco particles; and obtains simple manufacturing, lower cost, good heat insulation and well filtering tobacco particles.

A class of molecularly imprinted polymers that specifically recognizes and binds to TSNAs are useful, for example, in analysis and separation of TSNAs from biological fluids. Such polymers are also useful in methods of treating and manufacturing tobacco products and materials.

There is provided an aerosol generating system comprising: an aerosol-forming article comprising an aerosol-forming substrate and a mouthpiece portion for allowing a user to draw air through the substrate; and an aerosol generating device, the device comprising a housing having proximal and distal ends and comprising at least one external surface and one internal surface, the internal surface defining an open ended cavity at the proximal end of the housing in which the aerosol-forming substrate is received, the cavity having a longitudinal extent between its proximal and distal ends, a heater element within the cavity configured to heat an aerosol-forming substrate received in the cavity, and an air inlet; wherein the system comprises a first air flow channel extending from the air inlet to a distal end of the cavity, wherein the first air flow channel extends between the heater and the external surface of the housing along at least a portion of the longitudinal extent of the cavity, and a second air flow channel extending from the distal end of the cavity to the mouthpiece portion.

The present invention pertains to an aerosol transferring adapter for an aerosol generating device, comprising a liquid storage component and a mouthpiece. The liquid storage component comprises a liquid reservoir for holding a liquid used to generate an aerosol, an airflow channel leading through the liquid reservoir, and a connector fitting arranged around the airflow channel. The mouthpiece comprises at least two mouthpiece compartments being fluidly separated from each other and each leading from at least one mouthpiece inlet to at least one mouthpiece outlet, and a mouthpiece fitting arranged around the mouthpiece inlet and configured to be alignably connected to the connector fitting of the liquid storage component.

Disclosed are filter elements constructed of a filter support material coated with an acetoacetate-functional polymeric composition that reacts with and removes aldehydes, especially formaldehyde, present in gases such as air. Also disclosed are methods for the removal of aldehydes utilizing the coated filter support materials.

An apparatus and associated method for forming a filter rod member of a smoking article, such as a cigarette, is provided. The apparatus comprises a rod-forming unit configured to form a continuous supply of a filter material into a continuous cylindrical rod member. An insertion unit is configured to insert an adsorbent material carried by a carrier material into the rod member. The method comprises forming a continuous supply of a filter material into a continuous cylindrical rod member, and inserting an adsorbent material carried by a carrier material into the rod member such that the adsorbent material is disposed within the rod member.

Disclosed is an electronic cigarette (200), comprising a cylindrical housing (1) and an atomizer (21) provided inside the housing (1). An end of the housing (1) is provided with a suction nozzle primary cover (51) and a suction nozzle secondary cover (52), the suction nozzle primary cover (51) and the suction nozzle secondary cover (52) are successively inserted and fixed to an inner wall of the housing (1), and a cooling cavity is formed between the suction nozzle primary cover (51) and the suction nozzle secondary cover (52). Both the suction nozzle primary cover (51) and the suction nozzle secondary cover (52) are provided with a ventilation hole (512, 523) in communication with the cooling cavity, and a ventilation column (521) is formed in the suction nozzle secondary cover (52) for communicating the cooling cavity with the outside of the electronic cigarette. This electronic cigarette can reduce or avoid the possibility of a smoker inhaling cigarette liquid, and improve the safety of use.

The invention relates to a simulated cigarette to help quell tobacco addiction. The inventive simulated cigarette includes a cylindrical body which is made from a plastic material. The aforementioned cylindrical body contains an inner plug close to one of the ends thereof, natural essences which are disposed next to a filter, and a secondary filter having an extended inner diameter, to which a tip is connected.

Smoking articles are disclosed herein. In one aspect, a smoking article includes a heat source configured to generate heat upon ignition thereof, a first substrate material having an aerosol precursor composition associated therewith and a first end being fixedly engaged with the heat source, and an aerosol delivery component having opposed first and second ends, the first end of the aerosol delivery component being engaged with the second end of the first substrate material. In some aspects, the aerosol delivery component includes a second substrate material having the aerosol precursor composition associated therewith and being disposed about the first end of the aerosol delivery component and a tobacco material disposed between the second substrate material and the mouthpiece, the aerosol precursor composition associated with the first and second substrate materials being configured to produce an aerosol in response to the heat generated by the ignited heat source.

A biodegradable fiber (including fiber tow) and/or biodegradable paper substrate may be coated with cellulose acetate and/or plasticized cellulose acetate for use in a filter material configured for application in a filter of a smoking article. A filter made in accordance with this design may also include non-biodegradable material.

The invention relates to a tobacco filter tip and relative preparation, wherein it is formed by spinning the lactic acid polymer resin, drawing, coiling and shaping, while the line density is 2-6dtex, the beam density is 3-6ktex, the coil number is 15-30n/25mm. And it uses the adhesive method similar acetate fabric. Therefore, its polymer structure and large specific area can support the adsorption on organic, and filter the solid particle.